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信息发布者:
afford to go to hospital
carried on with the discussion
on board was saved
B
A
C
B
D
D
A
B
C
D
Orbis doctors usually fly around the world to operate on patients with eye problems. They also invite
local doctors and nurses on board and teach them medical skills. I think their work is meaningful and
helpful. Many people with eye problems have benefited from their free operations. They have changed
many people's lives and made the world a better place.